ColorZilla
Advanced Eyedropper, Colour Picker, Gradient Generator and other colourful goodies
Drop any file. View it as hex, ASCII, and decoded text. Free for everyone, with optional Pro tier for themes and bookmarks.
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HexDrop is a professional hex viewer built for developers, game modders, and security researchers. It runs entirely in your browser — no installs, no uploads, no accounts. Just drop a file and see every byte.
Drop any file — executables, save games, ROMs, firmware, archives, images — and instantly see hex and ASCII side by side in a clean dual-pane view.
━━━ FEATURES ━━━
NAVIGATION
• Click any byte → status bar shows hex value, ASCII character, and decimal
• Jump to any offset (hex or decimal input)
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Advanced Eyedropper, Colour Picker, Gradient Generator and other colourful goodies
The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.
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Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
Adds a toolbar button with various web developer tools.
Instant website analysis, AI traffic insights, and SEO metrics at your fingertips.